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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4231927 B1

PDFFull Text
Date of Patent:
Nov. 04, 1980

Filed:

Jun. 07, 1978

Hydrazono penicillin derivatives

Applicant:
Inventors:

Riccardo Monguzzi, Milan, IT;

Giorgio Pifferi, Milan, IT;

Mario Pinza, Milan, IT;

Giampietro Broccali, Milan, IT;

Assignee:

CRAF Sud, Aprilia Latina, IT;

Attorney:

Stevens, Davis, Miller & Mosher

Primary Examiner:

Natalie Trousof

Assistant Examiner:

Vera C Clarke

Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract

Hydrazono penicillin derivatives of the formula ##STR1## wherein R represents phenyl optionally substituted, 2- or 3- thienyl optionally substituted, or 2- or 3-furyl optionally substituted, R.sub.1 represents hydrogen, alkyl containing from 1 to 4 carbon atoms, or phenyl, and R.sub.2 represents hydrogen, pivaloyloxymethyl, or 1-(ethoxycarbonyloxy)ethyl radical. The compounds have antibacterial activity against gram-negative and gram-positive microorganisms. Methods of preparation are also disclosed.

Find Patent Forward Citations

Monguzzi, Riccardo. (1980). Hydrazono penicillin derivatives (U.S. Patent No. 4231927). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4231927

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